Magento 2.0.18 is the final 2.0.x release. After March 2018, Magento 2.0.x will no longer receive security patches, quality fixes, or documentation updates. To maintain your site's performance, security, and PCI compliance, upgrade to the latest version of Magento.

The preceding message confirms that the Zend OPcache is installed. We strongly recommend using the OPcache for performance reasons. If your PHP distribution does not come with the OPcache, see the PHP OPcache documentation.

CentOS repositories

Linux systems provide software like PHP in one or more repositories. CentOS, unlike Ubuntu, has a set of officially recommended repositories. Other repositories are considered less safe for the reasons stated on the CentOS wiki.

We’re not aware that you can install PHP 5.5, 5.6, or 7.0 from a CentOS-recommended repository. Therefore, you must consider the following:

If you’re setting up a system that will be deployed in production, you should choose a hosting provider who uses repositories considered to be safe and reliable.

You should also consider upgrading to a later version of CentOS that has the desired PHP version in a recommended repository.

If you’re setting up a development system, you can use any repository you wish.

The preceding message confirms that the Zend OPcache is installed. We strongly recommend using the OPcache for performance reasons. If your PHP distribution does not come with the OPcache, see the PHP OPcache documentation.

The preceding message confirms that the Zend OPcache is installed. We strongly recommend using the OPcache for performance reasons. If your PHP distribution does not come with the OPcache, see the PHP OPcache documentation.